<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png">
      </div>
      <!-- 登录表单区域 -->
      <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="el-icon-user"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input type="password" v-model="loginForm.password" prefix-icon="el-icon-s-grid"></el-input>
        </el-form-item>
        <!-- 按钮区 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
  import router from "../router";

  export default {
    data() {
      return {
        loginForm: {
          username: "15713715933",
          password: "Qss123456"
        },
        loginFormRules: {
          username: [
            {required: true, message: '请输入用户名', trigger: 'blur'},
            {min: 3, max: 20, message: '长度在 3 到 5 个字符', trigger: 'blur'}
          ],
          password: [
            {required: true, message: '请输入密码', trigger: 'blur'},
            {min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur'}
          ],
        },
      }
    },
    methods: {
      //
      resetLoginForm() {
        //console.log(this)
        this.$refs.loginFormRef.resetFields();
      },
      login() {
        this.$refs.loginFormRef.validate(async valid => {
          if (!valid) return;
          /* formData格式提交： */
          let formData = new FormData();
          for (var key in this.loginForm) {
            formData.append(key, this.loginForm[key]);
          }
          this.$http({
            method: "post",
            url: "api.php?m=admin&c=hnsjb_web&a=login",
            headers: {
              "Content-Type": "multipart/form-data"
            },
            //withCredentials: true,
            data: formData
          }).then(({data: res}) => {
            if (res.status == -1) {
              return this.$message.error("登陆失败");
            } else {
              this.$message.success("登录成功");
              window.sessionStorage.setItem("token", res.data.cookie_adminid);
              this.$router.push("/home");
            }
          });
        });
      }
    }
  }
</script>

<style lang="less" scoped>
  .login_container {
    background-color: #2b4b6b;
    height: 100%;
  }

  .login_box {
    width: 450px;
    height: 300px;
    background-color: #ffffff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    //
    .avatar_box {
      width: 130px;
      height: 130px;
      border: 1px solid #eeeeee;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #dddddd;
      position: absolute;
      left: 50%;
      transform: translate(-50%, -50%);
      background-color: #ffffff;

      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eeeeee;
      }
    }
  }

  .login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }

  .btns {
    display: flex;
    justify-content: flex-end;
  }
</style>
